At a glance
- Elevation (most land)
- 740–4,543 ftmedian 2,179 ft
- Annual rainfall
- 31 inmedian; 26–38 in across the area
- Mean annual temp
- 67 °F59–71 °F across the area
- USGS lava zones
- 1 and 2varies by parcel
- Drive to KOA
- ~92 min53.4 mi from Ocean View (Hwy 11); typical, light traffic
- Area profiled
- 36.3 sq miHawaiian Ocean View CDP (Ocean View); Kaʻū CCD (district-wide)
Land & elevation
The Ocean View Census place runs from about 370 to 4,900 ft. The full Kaʻū district covers about 930 sq mi, from sea level to Mauna Loa's summit. Across the Hawaiian Ocean View CDP (Ocean View); Kaʻū CCD (district-wide) boundary, the middle 90% of land sits between 740 and 4,543 ft (median 2,179 ft; full range 374–4,944 ft). At Ocean View (Hwy 11), the ground is about 2,413 ft.
Climate
Median annual rainfall across the area is about 31 inches, and most of the area gets 26–38 in (10th–90th percentile). At Ocean View (Hwy 11), the atlas shows about 30 in a year. Mean annual air temperature is about 67 °F (59–71 °F across the area). On this island, temperature generally drops as elevation rises, and rainfall can change a lot within a few miles. Visit at different times of day before you choose.
These are long-term averages from University of Hawaiʻi climate atlases (rainfall base period 1978–2007), not forecasts or guarantees for any property.
Lava-flow hazard zone
Ocean View is mostly Zone 2, on the slopes below Mauna Loa's Southwest Rift Zone, with a small Zone 1 portion. Elsewhere in Kaʻū, zones range from 1 to 6. Insurance availability and cost can vary sharply by zone. Mauna Loa last erupted in 2022. USGS rates hazard from Zone 1 (highest) to Zone 9 (lowest). Share of this area's land in each zone:
| USGS zone | Share of area | USGS description |
|---|---|---|
| Zone 1 | 6% | Summits and rift zones of Kīlauea and Mauna Loa, where vents have been repeatedly active |
| Zone 2 | 94% | Areas adjacent to and downslope of active rift zones |
Varies by parcel. Zone boundaries are approximate. USGS notes that hazard generally changes gradually rather than abruptly at a line, and lenders and insurers use the zone of the specific parcel. I look up the zone for every property and get insurance quotes before contingencies are removed.
Water: county system or catchment
In Ocean View, the County's HOVE system draws on a single well. Its 2025 report describes distribution as "two standpipes utilized by commercial haulers and six spigots where residents draw water for their own use," so plan on rainwater catchment and/or hauled water there. Nāʻālehu and Pāhala have County systems (Waiʻōhinu-Nāʻālehu and Pāhala).
Public-system coverage is parcel-specific: some properties have a water meter, some are on a private or community system, and some rely on rainwater catchment or hauled water. We confirm the source for every property in due diligence, and your lender and inspector should too.
Getting to Kona International Airport (KOA)
From Ocean View (Hwy 11), the drive to KOA is about 53.4 miles, typically about 92 minutes in light traffic. Actual times vary with traffic, construction and where in the area you start.
Kaʻū district as a whole
Across the full Kaʻū district (Kaʻū CCD, about 930 sq mi): median elevation 3,342 ft (5th–95th percentile 147–11,394 ft); median rainfall 54 in/yr (24–86 in, 10th–90th percentile); mean annual temperature 45–73 °F; lava zones Zone 1 (10%), Zone 2 (35%), Zone 3 (32%), Zone 5 (3%), Zone 6 (20%). From Nāʻālehu (Hwy 11) (about 1,078 ft, Zone 6), the typical drive to KOA is about 66.2 miles / 109 minutes.
Before you buy in Kaʻū & Ocean View
- Confirm the parcel's lava zone and get homeowners-insurance quotes early
- Confirm the water source (meter, private system, catchment or hauled)
- Confirm the wastewater system: sewer, septic or cesspool (why it matters)
- Check tenure (fee simple or leasehold), and HOA rules and fees if any
- Check County zoning and registration rules before planning any short-term rental
See homes in Kaʻū & Ocean View ↗
Sources & method · checked October 22, 2026
Area statistics were computed on October 22, 2026 inside the 2020 Census boundary named above: elevation from the USGS 30 m DEM (5th/50th/95th percentiles of land cells); rainfall and temperature by sampling the UH atlas grids over land in the boundary; lava-zone shares by intersecting the boundary with the USGS hazard-zone layer; the drive by routing from the named point to the KOA entrance. Census boundaries don't match neighborhood or MLS boundaries exactly.
- U.S. Census Bureau, TIGERweb 2020 Census Designated Places and County Subdivisions (boundaries used to define each area): tigerweb.geo.census.gov
- USGS 3D Elevation Program (3DEP), 1 arc-second (~30 m) DEM and Elevation Point Query Service: usgs.gov
- Giambelluca et al. (2013), Rainfall Atlas of Hawaiʻi, University of Hawaiʻi at Mānoa: mean annual rainfall grid (1978–2007 base period): rainfall.geography.hawaii.edu
- Giambelluca et al. (2014), Climate of Hawaiʻi, University of Hawaiʻi at Mānoa: mean annual air temperature grid: climate.geography.hawaii.edu
- USGS Hawaiian Volcano Observatory, Lava-flow hazard zones, Island of Hawaiʻi: usgs.gov
- USGS Miscellaneous Field Studies Map MF-2193 (Wright et al., 1992), lava-flow hazard zones; GIS layer via Hawaiʻi Statewide GIS Program: pubs.usgs.gov
- Hawaiʻi Statewide GIS Program, Volcano Hazard Zones layer: geodata.hawaii.gov
- USGS Hawaiian Volcano Observatory, Mauna Loa: usgs.gov
- County of Hawaiʻi DWS, 2025 Water Quality Report: Hawaiian Ocean View Estates: hawaiidws.org
- County of Hawaiʻi DWS, 2025 Water Quality Report: Waiʻōhinu-Nāʻālehu: hawaiidws.org
- Hawaiʻi Department of Health, Safe Drinking Water Branch, Regulated Public Water Systems list (May 15, 2025): health.hawaii.gov
- Hawaiʻi Department of Health, Safe Drinking Water Branch (incl. rainwater catchment guidance): health.hawaii.gov
- National Park Service, Hawaiʻi Volcanoes National Park: Kahuku: nps.gov
- Drive estimates: OSRM routing on OpenStreetMap road data, to the Kona International Airport (KOA) entrance at Queen Kaʻahumanu Hwy: project-osrm.org